Home / 42,112.44-63,159.96-15,816.60

Finding the Fourth Proportional to 42,112.44, 63,159.96 and 15,816.60

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Solution

The fourth proportional to 42,112.44, 63,159.96 and 15,816.60 is: 23,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,112.44 : 63,159.96 = 15,816.60 : x
  2. Step 2: Convert to fraction form
    42,112.44/63,159.96 = 15,816.60/x
  3. Step 3: Cross multiply
    42,112.44x = 63,159.96 × 15,816.60
  4. Step 4: Simplify right side
    42,112.44x = 998,975,823.34
  5. Step 5: Solve for x
    x = 998,975,823.34/42,112.44
  6. Step 6: Final answer
    x = 23,721.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.